#include <stdio.h>
#include <string.h>
int main(int argc, char const *argv[])
{
    char strword[21];
    memset(strword, 0, sizeof(strword));

    strcpy(strword, "你好");
    printf("strword=%s\n", strword);

    memset(strword, 0, sizeof(strword));
    strword[0] = 'W';
    strword[1] = 'o';
    strword[2] = 'r';
    strword[3] = 'l';
    strword[4] = 'd';
    // strword[5] = 0;
    printf("strword=%s\n", strword);

    return 0;
}
